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Finding the Fourth Proportional to 43,706.40, 65,527.20 and 29,631.30

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Solution

The fourth proportional to 43,706.40, 65,527.20 and 29,631.30 is: 44,424.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,706.40 : 65,527.20 = 29,631.30 : x
  2. Step 2: Convert to fraction form
    43,706.40/65,527.20 = 29,631.30/x
  3. Step 3: Cross multiply
    43,706.40x = 65,527.20 × 29,631.30
  4. Step 4: Simplify right side
    43,706.40x = 1,941,656,121.36
  5. Step 5: Solve for x
    x = 1,941,656,121.36/43,706.40
  6. Step 6: Final answer
    x = 44,424.98

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.